PROCESS AND APPARATUS FOR TREATING THE SURFACES OF AN OBJECT BY A FLUID FOR COATING, CLEANING OR CHEMICAL REACTION WITH THE OBJECT

摘要

APPARATUS FOR TREATING THE SURFACES OF AN OBJECT WITH A FLUID CLEAN TO COVER OR CLEAN THE OBJECT OR TO REACT CHEMICALLY WITH IT. /P P THE APPARATUS HAS A CAVITY, CLOSED BY A COVER, TO RECEIVE THE OBJECT, AND PUMPS WHICH SUCCESSIVELY FILL THE CAVITY WITH LIQUID FLUID, DISPLACE THE LIQUID FLUID BY GASEOUS FLUID, THEN EXTRACT THE GASEOUS FLUID TO REDUCE THE PRESSURE IN THE CAVITY AND THUS DRY, BY EVAPORATION, IS IN THE CAVITY. /P P APPLICATION, IN PARTICULAR, TO THE CLEANING OF METAL CONTAINERS WITH OPEN MOUTH.